10100200021001 has 4 divisors (see below), whose sum is σ = 10290769832772. Its totient is φ = 9909630209232.

The previous prime is 10100200020973. The next prime is 10100200021031. The reversal of 10100200021001 is 10012000200101.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 5526166608400 + 4574033412601 = 2350780^2 + 2138699^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10100200021001 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 10100200021001.

It is not an unprimeable number, because it can be changed into a prime (10100200021031) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 95284905806 + ... + 95284905911.

It is an arithmetic number, because the mean of its divisors is an integer number (2572692458193).

Almost surely, 2^{10100200021001} is an apocalyptic number.

It is an amenable number.

10100200021001 is a deficient number, since it is larger than the sum of its proper divisors (190569811771).

10100200021001 is an equidigital number, since it uses as much as digits as its factorization.

10100200021001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 190569811770.

The product of its (nonzero) digits is 4, while the sum is 8.

Adding to 10100200021001 its reverse (10012000200101), we get a palindrome (20112200221102).

The spelling of 10100200021001 in words is "ten trillion, one hundred billion, two hundred million, twenty-one thousand, one".